题目内容
(请给出正确答案)
[主观题]
A.over-farming and soil erosionB.soil moistureC.water conservationD.natural disasters
A.over-farming and soil erosion
B.soil moisture
C.water conservation
D.natural disasters
提问人:网友pclove
发布时间:2022-01-06
A.over-farming and soil erosion
B.soil moisture
C.water conservation
D.natural disasters
What can contribute to drought?
A.over-farming and soil erosion
B.soil moisture
C.water conservation
D.natural disasters
方框图化简
A.(1-G1(S))G2(S)/(1+G1(S)*G3(S))
B.(1+G1(S))G2(S)/(1+G2(S)*G3(S))
C.(1+G1(S))G3(S)/(1+G2(S)*G3(S))
D.(1-G1(S))G3(S)/(1+G2(S)*G3(S))
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